Factorial Plots
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Stat > DOE > Mixture > Factorial Plots

You can produce three types of factorial plots - main effects, interaction, and cube plots - to help you visualize how process variables are related to the response. You can only use factorial plots if you have process variables in your mixture design. Minitab plots only the actual data, not the fitted values.  

Dialog box items

Main effects: Check to display a main effects plot, then click <Setup>.

Interaction: Check to display an interactions plot, then click <Setup>.

Cube: Check to display a cube plot, then click <Setup>.